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AS3820 American Center for Physics

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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American Center for Physics acp.org

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AS Data

AS3820

AS3820 – American Center for Physics

AS Number	3820
AS Name	ACP
Organization	American Center for Physics(acp-45)
Country	US
Website	acp.org
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1994-09-14

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Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       3820
ASName:         ACP
ASHandle:       AS3820
RegDate:        1994-09-14
Updated:        2002-03-11    
Ref:            https://rdap.arin.net/registry/autnum/3820


OrgName:        American Center for Physics
OrgId:          ACP-45
Address:        One Physics Ellipse
City:           College Park
StateProv:      MD
PostalCode:     20740
Country:        US
RegDate:        1994-09-14
Updated:        2012-10-10
Ref:            https://rdap.arin.net/registry/entity/ACP-45


OrgAbuseHandle: ZA132-ARIN
OrgAbuseName:   American Center for Physics
OrgAbusePhone:  +1-301-209-3117 
OrgAbuseEmail:  acp-is@acp.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZA132-ARIN

OrgTechHandle: ZA132-ARIN
OrgTechName:   American Center for Physics
OrgTechPhone:  +1-301-209-3117 
OrgTechEmail:  acp-is@acp.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ZA132-ARIN

RTechHandle: ZA132-ARIN
RTechName:   American Center for Physics
RTechPhone:  +1-301-209-3117 
RTechEmail:  acp-is@acp.org
RTechRef:    https://rdap.arin.net/registry/entity/ZA132-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Frequently Asked Questions

What is ASN AS3820?

ASN AS3820 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS3820?

AS3820 is listed under American Center for Physics.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.